The End of Eternity

Plot Summary:

Based on the Isaac Asimov time travel novel first published in 1955, the film is a futuristic tale in which humanity is controlled by a ruling class called Eternity, members of which can manipulate time to alter history and prevent disasters or wipe out undesirables. One of the time cops flirts with disaster when he breaks the cardinal Eternity rule and falls in love with a woman from another time period.